From 8de80c67d0f54dc8f36ad93547129197b2447c6a Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <millert@cvs.openbsd.org>
Date: Mon, 31 Aug 1998 17:42:46 +0000
Subject: Return ENXIO on open of /dev/mem minor devs that don't exist

---
 sys/arch/alpha/alpha/mem.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'sys/arch/alpha')

diff --git a/sys/arch/alpha/alpha/mem.c b/sys/arch/alpha/alpha/mem.c
index b4719ee0c93..8591825be1c 100644
--- a/sys/arch/alpha/alpha/mem.c
+++ b/sys/arch/alpha/alpha/mem.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: mem.c,v 1.7 1997/06/05 23:21:11 deraadt Exp $	*/
+/*	$OpenBSD: mem.c,v 1.8 1998/08/31 17:42:25 millert Exp $	*/
 /*	$NetBSD: mem.c,v 1.10 1996/11/13 21:13:10 cgd Exp $	*/
 
 /*
@@ -71,7 +71,15 @@ mmopen(dev, flag, mode, p)
 	struct proc *p;
 {
 
-	return (0);
+	switch (minor(dev)) {
+		case 0:
+		case 1:
+		case 2:
+		case 12:
+			return (0);
+		default:
+			return (ENXIO);
+	}
 }
 
 /*ARGSUSED*/
-- 
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